Dyfyniad APA

Mora-Alvarado, D. A., & Portuguez-Barquero, C. F. (2016). Excreta disposal coverage in Costa Rica from 2000 to 2014 and outlook for 2021.

Dyfyniad Arddull Chicago

Mora-Alvarado, Darner A., y Carlos Felipe Portuguez-Barquero. Excreta Disposal Coverage in Costa Rica From 2000 to 2014 and Outlook for 2021. 2016.

Dyfyniad MLA

Mora-Alvarado, Darner A., y Carlos Felipe Portuguez-Barquero. Excreta Disposal Coverage in Costa Rica From 2000 to 2014 and Outlook for 2021. 2016.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.